stealc | 1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576

Analysis

max time kernel
92s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 03:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe
Size

1.7MB
MD5

73da003f0368f871f2bd1b9b2e0ec575
SHA1

771136fb463501015f73f5cacbec4b5a7c93be18
SHA256

1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576
SHA512

d9373d57d285c82430468001da2d23617741af36cc87bb15a0aebb648a79a8328aec3ab5ba49f63fe0eb4d9d2f2f9704678a7b261feb3d641016e16726088bbd
SSDEEP

49152:kjPgnnYsS4/+uXUXhoHwIIG9A8sCdfmDP:kjPgnPhWMRhIGrskf

Score

10^/10

stealc mars discovery evasion stealer

Malware Config

Extracted

Family

stealc

Botnet

mars

http://185.215.113.206

Attributes

url_path
/c4becf79229cb002.php

Signatures

Stealc
Stealc is an infostealer written in C++.
stealer stealc
Stealc family
stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
4812	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4812	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe
4812	1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe

C:\Users\Admin\AppData\Local\Temp\1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe
"C:\Users\Admin\AppData\Local\Temp\1f4d60eb730020737ff8fbcbff87fb5227003745d875b6b4965bd5cac4925576.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4812

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4812-0-0x00000000003F0000-0x0000000000A69000-memory.dmp

Filesize
6.5MB

Download
memory/4812-1-0x00000000778F4000-0x00000000778F6000-memory.dmp

Filesize
8KB

Download
memory/4812-2-0x00000000003F1000-0x0000000000408000-memory.dmp

Filesize
92KB

Download
memory/4812-3-0x00000000003F0000-0x0000000000A69000-memory.dmp

Filesize
6.5MB

Download
memory/4812-5-0x00000000003F0000-0x0000000000A69000-memory.dmp

Filesize
6.5MB

Download